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/*
* Copyright (C) 2000 Lars Knoll (knoll@kde.org)
* (C) 2000 Antti Koivisto (koivisto@kde.org)
* (C) 2000 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
* Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef MatrixTransformOperation_h
#define MatrixTransformOperation_h
#include "platform/transforms/TransformOperation.h"
#include "platform/transforms/TransformationMatrix.h"
namespace blink {
class PLATFORM_EXPORT MatrixTransformOperation final
: public TransformOperation {
public:
static PassRefPtr<MatrixTransformOperation> create(double a,
double b,
double c,
double d,
double e,
double f) {
return adoptRef(new MatrixTransformOperation(a, b, c, d, e, f));
}
static PassRefPtr<MatrixTransformOperation> create(
const TransformationMatrix& t) {
return adoptRef(new MatrixTransformOperation(t));
}
TransformationMatrix matrix() const {
return TransformationMatrix(m_a, m_b, m_c, m_d, m_e, m_f);
}
virtual bool canBlendWith(const TransformOperation& other) const {
return false;
}
private:
OperationType type() const override { return Matrix; }
bool operator==(const TransformOperation& o) const override {
if (!isSameType(o))
return false;
const MatrixTransformOperation* m =
static_cast<const MatrixTransformOperation*>(&o);
return m_a == m->m_a && m_b == m->m_b && m_c == m->m_c && m_d == m->m_d &&
m_e == m->m_e && m_f == m->m_f;
}
void apply(TransformationMatrix& transform, const FloatSize&) const override {
TransformationMatrix matrix(m_a, m_b, m_c, m_d, m_e, m_f);
transform.multiply(matrix);
}
PassRefPtr<TransformOperation> blend(const TransformOperation* from,
double progress,
bool blendToIdentity = false) override;
PassRefPtr<TransformOperation> zoom(double factor) final;
MatrixTransformOperation(double a,
double b,
double c,
double d,
double e,
double f)
: m_a(a), m_b(b), m_c(c), m_d(d), m_e(e), m_f(f) {}
MatrixTransformOperation(const TransformationMatrix& t)
: m_a(t.a()),
m_b(t.b()),
m_c(t.c()),
m_d(t.d()),
m_e(t.e()),
m_f(t.f()) {}
double m_a;
double m_b;
double m_c;
double m_d;
double m_e;
double m_f;
};
} // namespace blink
#endif // MatrixTransformOperation_h
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